(66391) 1999 KW4:AVERAGE_SPEED:37.16 (kilometrePerSeconds)####(66391) 1999 KW4:DENSITY:2.0 (gramPerCubicCentimetres)####(66391) 1999 KW4:APOAPSIS:162164091.8388 (kilometres)
The celestial body known as (66391) 1999 KW4 has an apoapsis of 162164091.8388 km and an average speed of 37.16 kilometres per second. It's density is 2.0 gm per cu cm.